Question: When did Nicaragua count a population of 3.87732e+06 inhabitants?
Paraphrase: In what year was Nicaragua's population 3.87732 million?
SPARQL (Wikidata): SELECT ?value WHERE { wd:Q811 p:P1082 ?s . ?s ps:P1082 ?x filter(contains(?x , '3.87732e+06')) . ?s pq:P585 ?value}